KO.2207. WEST AMERICAN MELANEL/JD MOLLUSKS—BARTSCH. 365 



Plate 37. 



Fig. 1. Melanella californica Bartsch, type, length 6.2 mm. 



2. Melanella baldra Bartsch, type, length 5.1 mm. 



3. Melanella compacfa Carpenter, type, length 6.8 mm. 



4. Melanella randolphi Vanatta, type, length 7 mm. 



5. Melanella mexicana Bartsrh, type, length 6.4 mm. 



6. Melanella hcmphilli Bartsch, type, length 8.3 mm. 



Plate 38. 



Fio. 1. Melanella retexta Carpenter, type, length 2.2 mm. 



2. Melanella pusilla Sowerby, type, length — mm. 



3. Melanella gabhiana Anderson and Martin, type, length 4 mm. 



4. Melanella hastata Sowerby, cotype, length — mm. 



5. Melanella tacoraaensis Bartsch, type, length 5 mm. 



6. Melanella hastata Sowerby, cotype, length — mm. 



Plate 39. 



FiQ. 1. Melanella elodia de Folin, type, length 5 mm. 



2. Melanella (Balds) draconis Bartsch, type, length 6.1 mm. 



3. Melanella recta C. B. Adams, type, length — mm. 



4. Melanella (Balcis) peninsularis Bartsch, type, length 5.2 mm. 



5. Melanella producta Carpenter, type, length 3 mm. 



6. Melanella (Balcis) montereyensis Bartsch, type, length 5.8 mm. 



Plate 40. 



Fio. 1. Melanella (Balcis) tovmsendi Bartsch, type, length 3.8 mm. 



2. Melanella (Balcis) lialia Bartsch, type, length 1.8 mm. 



3. Melanella (Balcis) lastra Bartsch, type, length 4.1 mm. 



4. Melanella abreojosensis Bartsch, type, length 3.1 mm. 



5. Melanella (Balcis) iota C. B. Adams, type, length 1.7 mm. 



6. Melanella (Balcis) cosmia Bartsch, type, length 2.7 mm. 



7. Melanella (Balcis) catalinensis Bartsch, type, length 5.2 mm. 



8. Melanella (Balcis) amoldi Bartsch, type, length 5.5 mm. 



9. Melanella (Balcis) yod Carpenter, type, length 0.9 mm. 



Plate 41. 



Fia. 1. Melanella (Balcis) lowei Vanatta, type, length 6.85 mm. = Melanella (Balttn) 

 ther sites Carpenter. 



2. Melanella (Balcis) thersites Carpenter, type, length 5.1 mm. • 



3. Melanella (Balcis) bistorta Vanatta, type, length 5.9 mm. = Melanella (Bntns) 



thersites Carpenter. 



4. Melanella (Balcis) comorensis Bartsch, type, length 7.1 mm. 



5. Melanella (Balcis) columbiana Bartsch, type, length 9.5 mm. 



6. Melanella (Balcis) mncra Bartsch, type, length 7.5 mm. 



Plate 42. 



Fig. 1. Melanella (Balcis) adamantina de Folin, type, length 2.5 mm. 



2. Melanella (Balcis) taravali Bartsch, type, length 1.2 mm. 



3. Melanella (Balds) berryi Bartsch, type, length 6 mm. 



4. Melanella (Balcis) pre/alcata Bartsch, type, length 6.9 mm. 



5. Melanella (Balds) grippi Bartsch, type, length 8 mm. 



6. Melanella (Balds) falcata Carpenter, type, length 7.6 mm. 



